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ASTM B677 TP904L Stainless Steel Seamless U Bend tube for heat exchanger

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ASTM B677 TP904L Stainless Steel Seamless U Bend tube for heat exchanger

Brand Name : SPEZILLA

Model Number : ASME SB677

Certification : ISO9001:2008

Place of Origin : CHINA

MOQ : Negotiation

Price : Negotiation

Payment Terms : T/T, L/C

Supply Ability : 100 TONS / MONTH

Delivery Time : WITHIN 30 DAYS

Packaging Details : WOODEN BOXED

Product Name : Stainless Steel U Tube

Tube Shape : U Tube

Standard : ASTM A213

Manufacturing : Seamless

Materials No. : TP904L

OD : 1/2'' - 2''

WT : 0.035'' - 0.083''

Surface : SOLUTION ANNEALED

Shape : Round

Package : Wooden Case

Application : Heat Exchanger

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ASTM B677 TP904L Stainless Steel Seamless U Bend tube for heat exchanger

ASTM B 673 / 674, ASME SB 673 / 674 SS 904L WELDED TUBES, HIGH QUALITY 904L WELDED/SEAMLESS TUBING SUPPLIERS


UNS NO8904, commonly known as 904L stainless steel, is a low carbon austenitic nickel-chromium stainless steel with additions of molybdenum and copper. 904L pipes, 904L sheets and plates and other 904L product forms products are mainly used where the corrosion resistant properties of 316L and 317L are inadequate, especially in severe corrosive conditions.
Due to the combination of high contents of chromium, nickel, molybdenum and copper, stainless steel 904L exhibits greater resistance to pitting and crevice corrosion and to general corrosion in reducing acids.

When compared to 2205 grade duplex stainless steel, 904L has similar corrosion resistant properties but lower mechanical strength. 2205 is also a lower cost option compared to 904L, but is not suitable for temperatures above 300°C. Overall among the three grades i.e. 904L, 316L and 2205, 316L stainless steel is the lowest cost option, but offers comparatively lower corrosion resistance.
Stainless steel 904L plates, 904L pipes, and 904L fittings are widely used for manufacturing tanks, vessels, piping, heat exchangers, and other equipment used for handling sulphuric, phosphoric and acetic acids, bleaching operations in the pulp and paper industry. In addition, 904L tube is widely used for general piping requirements in the oil and gas, chemical and pharmaceutical industries.

Standard Technical Range

  • OD 9.5mm - 38.1mm
  • WT up to 6.35mm
  • Bending radii 1.25 x OD up to 1700mm
  • Bends can be supplied in accordance with TEMA R / ASTM SA/A556
  • Leg length up to 15000mm
  • Heat treatment where required by electric furnance or direct resistance
  • Hydrotesting up to 10,000 psi

Additional Testing

  • Dye penetrant of 'U' bend area
  • PMI testing
  • Heat Treatment

Heat Treatment

We are equipped to carry out heat treatment of bends plus a minimum 150mm of leg.
Heat Treatment Equipment

  • Heat treatment equipment is computer controlled with the added facility of data recording.
  • An argon protective atmopshere is used inside stainless and special alloy tubes during heat treatment.
  • We can provide all types of annealing; solution annealing and stress relieving.

Stainless Steel 904L, UNS N08904, WNR 1.4539 Stainless Steel Pipes, Tube Chemical Composition

CMnSiPSCrMoNiCuFe
0.020 max.2.00 max.1.00 max.0.045 max.0.035 max.19.0 – 23.04.0 – 5.023.0 – 28.01.0- 2.0Balance

Stainless Steel 904L, UNS N08904, WNR 1.4539 Stainless Steel Pipes, Tube Mechanical Properties

904L
Density8
Melting Range,℃1300-1390 ℃
Elongation %35 min.
Tensile Strength (Mpa)490
Yield Strngth (Mpa)220
Hardness (Brinell)150

ASTM B677 TP904L Stainless Steel Seamless U Bend tube for heat exchanger










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